HM-12: Dual Mode Bluetooth 4.0 BLE SPP LE Serial Port Module for Apple and Android

$8.90

HM-12 is a low consumption bluetooth BLE module. It supports dual mode: SPP and LE, which means it not only support bluetooth 2.1 but also supports BLE. It supports L2CAP, RFCOMM, SPP, GATT, GAT standard Bluetooth protocol.

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Overview

HM-12 is a low consumption bluetooth BLE module. It supports dual mode: SPP and LE, which means it not only support bluetooth 2.1 but also supports BLE. It supports L2CAP, RFCOMM, SPP, GATT, GAT standard Bluetooth protocol.

Features

  • BT Version: Bluetooth Specification V4.0 EDR and BLE
  • Send and receive maximum byte count is 90 bytes.
  • Working frequency: 2.4GHz ISM band
  • Modulation method: GFSK(Gaussian Frequency Shift Keying)
  • Speed SPP: 50% serial port rate; BLE: 50% serial port rate
  • Service: L2CAP,、SDP,、RFCOMM、SPP ATT、GATT,、LE Service: 0xFFE0、Char: 0xFFE1
  • Power: +3.3VDC 50mA
  • Power: In sleep mode 10-17mA, SPP mode 13mA, BLE mode 9.5mA
  • Working temperature:–5 ~ +65 Centigrade
  • Compatible with Bluetooth 3.0/2.1
  • Open environment within 60m (100ft) can realize communication between modules
  • Firmware:V218

Dimension

Pins

Documents

Bluetoothdual_en.zip

Additional information

Weight 1 g
Dimensions 13 × 28 × 2.3 mm
Operation Level

Digital 3.3V

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HM-12: Dual Mode Bluetooth 4.0 BLE SPP LE Serial Port Module for Apple and Android
$8.90
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